composer.json

@@ -10,7 +10,7 @@
     }
   ],
   "require": {
-    "esoko/soko-web": "0.12.2",
+    "esoko/soko-web": "0.13",
     "firebase/php-jwt": "^6.4"
   },
   "require-dev": {

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "de44c3f047848705e8e3d6b460f73ff1",
+    "content-hash": "707bad5bd796500db300c5384f2ce378",
     "packages": [
         {
             "name": "cocur/slugify",
@@ -82,11 +82,11 @@
         },
         {
             "name": "esoko/soko-web",
-            "version": "v0.12.2",
+            "version": "v0.13",
             "source": {
                 "type": "git",
                 "url": "https://git.esoko.eu/esoko/soko-web.git",
-                "reference": "8d490e48aaeb7ad2843e402fa42ec266db52e809"
+                "reference": "4283bc9bb15d17914393b4ba3463d83717487c53"
             },
             "require": {
                 "cocur/slugify": "^4.3",
@@ -108,7 +108,7 @@
                 "GNU GPL 3.0"
             ],
             "description": "Lightweight web framework",
-            "time": "2023-05-28T19:13:20+00:00"
+            "time": "2023-06-17T12:32:56+00:00"
         },
         {
             "name": "firebase/php-jwt",

database/migrations/structure/20230617_0214_multiple_payees.sql

@@ -0,0 +1,11 @@
+CREATE TABLE `transaction_payees` (
+  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
+  `transaction_id` int(10) unsigned NOT NULL,
+  `user_id` int(10) unsigned DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `unique_user_for_transaction` (`transaction_id`, `user_id`),
+  KEY `transaction_id` (`transaction_id`),
+  KEY `user_id` (`user_id`),
+  CONSTRAINT `transaction_payees_transaction_id` FOREIGN KEY (`transaction_id`) REFERENCES `transactions` (`id`),
+  CONSTRAINT `transaction_payees_user_id` FOREIGN KEY (`user_id`) REFERENCES `users` (`id`)
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;

src/Controller/TransactionController.php

@@ -6,11 +6,13 @@ use RVR\Finance\ExchangeRateCalculator;
 use RVR\PersistentData\Model\Community;
 use RVR\PersistentData\Model\CommunityMember;
 use RVR\PersistentData\Model\Transaction;
+use RVR\PersistentData\Model\TransactionPayee;
 use RVR\PersistentData\Model\User;
 use RVR\Repository\CommunityMemberRepository;
 use RVR\Repository\CommunityRepository;
 use RVR\Repository\CurrencyRepository;
 use RVR\Repository\TransactionRepository;
+use RVR\Repository\TransactionPayeeRepository;
 use RVR\Repository\EventRepository;
 use SokoWeb\Interfaces\Authentication\IAuthenticationRequired;
 use SokoWeb\Interfaces\Authorization\ISecured;
@@ -28,6 +30,8 @@ class TransactionController implements IAuthenticationRequired, ISecured
 
     private TransactionRepository $transactionRepository;
 
+    private TransactionPayeeRepository $transactionPayeeRepository;
+
     private EventRepository $eventRepository;
 
     private ?Community $community;
@@ -40,6 +44,7 @@ class TransactionController implements IAuthenticationRequired, ISecured
         $this->communityMemberRepository = new CommunityMemberRepository();
         $this->currencyRepository = new CurrencyRepository();
         $this->transactionRepository = new TransactionRepository();
+        $this->transactionPayeeRepository = new TransactionPayeeRepository();
         $this->eventRepository = new EventRepository();
     }
 
@@ -91,16 +96,19 @@ class TransactionController implements IAuthenticationRequired, ISecured
                 $currentPage,
                 $itemsPerPage,
                 true,
-                ['currency', 'payer_user', 'payee_user']
+                ['currency', 'payer_user']
             ) :
             $this->transactionRepository->getPagedByCommunity(
                 $this->community,
                 $currentPage,
                 $itemsPerPage,
                 true,
-                ['event', 'currency', 'payer_user', 'payee_user']
+                ['event', 'currency', 'payer_user']
             );
 
+        $transactions = iterator_to_array($transactions);
+        Container::$persistentDataManager->loadMultiRelationsFromDb($transactions, 'payees', true, ['user']);
+
         return new HtmlContent('communities/transactions', [
             'community' => $this->community,
             'event' => $event,
@@ -108,7 +116,8 @@ class TransactionController implements IAuthenticationRequired, ISecured
             'pages' => ceil($numberOfTransactions / $itemsPerPage),
             'currentPage' => $currentPage,
             'numberOfTransactions' => $numberOfTransactions,
-            'transactions' => $transactions
+            'transactions' => $transactions,
+            'members' => $this->getMembers($this->community)
         ]);
     }
 
@@ -122,6 +131,10 @@ class TransactionController implements IAuthenticationRequired, ISecured
             }
             Container::$persistentDataManager->loadRelationsFromDb($transaction, false, ['event']);
             $event = $transaction->getEvent();
+            $payeeUserIds = [];
+            foreach ($this->transactionPayeeRepository->getAllByTransaction($transaction) as $payee) {
+                $payeeUserIds[] = $payee->getUserId();
+            }
         } else {
             $transaction = null;
             $eventSlug = Container::$request->query('event');
@@ -130,11 +143,13 @@ class TransactionController implements IAuthenticationRequired, ISecured
             } else {
                 $event = null;
             }
+            $payeeUserIds = [];
         }
 
         return new HtmlContent('communities/transaction_edit', [
             'community' => $this->community,
             'transaction' => $transaction,
+            'payeeUserIds' => $payeeUserIds,
             'event' => $event,
             'members' => $this->getMembers($this->community),
             'currencies' => $this->getCurrencies($this->community)
@@ -154,18 +169,48 @@ class TransactionController implements IAuthenticationRequired, ISecured
         $transaction->setEventId(Container::$request->post('event_id') ?: null);
         $transaction->setCurrencyId(Container::$request->post('currency_id'));
         $transaction->setPayerUserId(Container::$request->post('payer_user_id'));
-        $transaction->setPayeeUserId(Container::$request->post('payee_user_id') ?: null);
         $transaction->setDescription(Container::$request->post('description'));
         $transaction->setSum(Container::$request->post('sum'));
         $transaction->setTimeDate(new DateTime(Container::$request->post('time')));
         Container::$persistentDataManager->saveToDb($transaction);
 
+        $payeeUserIds = array_unique(Container::$request->post('payee_user_ids'));
+        if (count($payeeUserIds) === $this->communityMemberRepository->countAllByCommunity($this->community)) {
+            $payeeUserIds = [];
+        }
+
+        $currentPayees = [];
+        foreach ($payeeUserIds as $payeeUserId) {
+            $payee = new TransactionPayee();
+            $payee->setTransaction($transaction);
+            $payee->setUserId((int)$payeeUserId);
+            $currentPayees[(int)$payeeUserId] = $payee;
+        }
+        $existingPayees = [];
+        if ($transactionId) {
+            foreach ($this->transactionPayeeRepository->getAllByTransaction($transaction) as $payee) {
+                $existingPayees[$payee->getUserId()] = $payee;
+            }
+        }
+
+        foreach (array_diff_key($currentPayees, $existingPayees) as $newPayee) {
+            Container::$persistentDataManager->saveToDb($newPayee);
+        }
+        foreach (array_diff_key($existingPayees, $currentPayees) as $deletedPayee) {
+            Container::$persistentDataManager->deleteFromDb($deletedPayee);
+        }
+
         return new JsonContent(['success' => true]);
     }
 
     public function deleteTransaction(): IContent
     {
         $transaction = $this->transactionRepository->getById(Container::$request->query('transactionId'));
+
+        foreach ($this->transactionPayeeRepository->getAllByTransaction($transaction) as $payee) {
+            Container::$persistentDataManager->deleteFromDb($payee);
+        }
+
         Container::$persistentDataManager->deleteFromDb($transaction);
 
         return new JsonContent(['success' => true]);

src/Finance/BalanceCalculator.php

@@ -1,5 +1,6 @@
 <?php namespace RVR\Finance;
 
+use Container;
 use RVR\PersistentData\Model\Community;
 use RVR\Repository\CommunityMemberRepository;
 use RVR\Repository\TransactionRepository;
@@ -56,13 +57,18 @@ class BalanceCalculator
     private function sumTransactions(): void
     {
         $membersCount = count($this->members);
-        $transactions = $this->transactionRepository->getAllByCommunity($this->community, true, ['currency']);
+        $transactions = iterator_to_array($this->transactionRepository->getAllByCommunity($this->community, true, ['currency']));
+        Container::$persistentDataManager->loadMultiRelationsFromDb($transactions, 'payees');
 
         foreach ($transactions as $transaction) {
             $sum = $this->exchangeRateCalculator->calculate($transaction->getSum(), $transaction->getCurrency(), $transaction->getTimeDate());
+            $payees = $transaction->getPayees();
+            $payeeCount = count($payees);
 
-            if ($transaction->getPayeeUserId()) {
-                $this->payments[$transaction->getPayerUserId()][$transaction->getPayeeUserId()] += $sum;
+            if ($payeeCount > 0) {
+                foreach ($payees as $payee) {
+                    $this->payments[$transaction->getPayerUserId()][$payee->getUserId()] += $sum / $payeeCount;
+                }
             } else {
                 foreach ($this->members as $payeeUserId => $member) {
                     $this->payments[$transaction->getPayerUserId()][$payeeUserId] += $sum / $membersCount;

src/PersistentData/Model/Transaction.php

@@ -17,6 +17,10 @@ class Transaction extends Model
         'payee_user' => User::class
     ];
 
+    protected static array $multiRelations = [
+        'payees' => [TransactionPayee::class, 'transaction']
+    ];
+
     private ?Community $community = null;
 
     private int $communityId;
@@ -37,6 +41,8 @@ class Transaction extends Model
 
     private ?int $payeeUserId = null;
 
+    private ?array $payees = null;
+
     private string $description = '';
 
     private float $sum = 0.0;
@@ -93,6 +99,11 @@ class Transaction extends Model
         $this->payeeUserId = $payeeUserId;
     }
 
+    public function setPayees(array $payees): void
+    {
+        $this->payees = $payees;
+    }
+
     public function setDescription(string $description): void
     {
         $this->description = $description;
@@ -163,6 +174,11 @@ class Transaction extends Model
         return $this->payeeUserId;
     }
 
+    public function getPayees(): ?array
+    {
+        return $this->payees;
+    }
+
     public function getDescription(): string
     {
         return $this->description;

src/PersistentData/Model/TransactionPayee.php

@@ -0,0 +1,60 @@
+<?php namespace RVR\PersistentData\Model;
+
+use SokoWeb\PersistentData\Model\Model;
+
+class TransactionPayee extends Model
+{
+    protected static string $table = 'transaction_payees';
+
+    protected static array $fields = ['transaction_id', 'user_id'];
+
+    protected static array $relations = ['transaction' => Transaction::class, 'user' => User::class];
+
+    private ?Transaction $transaction = null;
+
+    private ?int $transactionId = null;
+
+    private ?User $user = null;
+
+    private ?int $userId = null;
+
+    public function setTransaction(Transaction $transaction): void
+    {
+        $this->transaction = $transaction;
+    }
+
+    public function setTransactionId(int $transactionId): void
+    {
+        $this->transactionId = $transactionId;
+    }
+
+    public function setUser(User $user): void
+    {
+        $this->user = $user;
+    }
+
+    public function setUserId(int $userId): void
+    {
+        $this->userId = $userId;
+    }
+
+    public function getTransaction(): ?Transaction
+    {
+        return $this->transaction;
+    }
+
+    public function getTransactionId(): ?int
+    {
+        return $this->transactionId;
+    }
+
+    public function getUser(): ?User
+    {
+        return $this->user;
+    }
+
+    public function getUserId(): ?int
+    {
+        return $this->userId;
+    }
+}

src/Repository/CommunityMemberRepository.php

@@ -15,12 +15,16 @@ class CommunityMemberRepository
 
     public function getAllByCommunity(Community $community, bool $useRelations = false, array $withRelations = []): Generator
     {
-        $select = new Select(\Container::$dbConnection);
-        $select->where('community_id', '=', $community->getId());
+        $select = $this->selectAllByCommunity($community);
 
         yield from \Container::$persistentDataManager->selectMultipleFromDb($select, CommunityMember::class, $useRelations, $withRelations);
     }
 
+    public function countAllByCommunity(Community $community): int
+    {
+        return $this->selectAllByCommunity($community)->count();
+    }
+
     public function getAllByUser(User $user, bool $useRelations = false, array $withRelations = []): Generator
     {
         $select = new Select(\Container::$dbConnection);
@@ -37,4 +41,11 @@ class CommunityMemberRepository
 
         return \Container::$persistentDataManager->selectFromDb($select, CommunityMember::class);
     }
+
+    private function selectAllByCommunity(Community $community): Select
+    {
+        $select = new Select(\Container::$dbConnection, CommunityMember::getTable());
+        $select->where('community_id', '=', $community->getId());
+        return $select;
+    }
 }

src/Repository/TransactionPayeeRepository.php

@@ -0,0 +1,23 @@
+<?php namespace RVR\Repository;
+
+use Container;
+use Generator;
+use RVR\PersistentData\Model\Transaction;
+use RVR\PersistentData\Model\TransactionPayee;
+use SokoWeb\Database\Query\Select;
+
+class TransactionPayeeRepository
+{
+    public function getById(int $id): ?TransactionPayee
+    {
+        return Container::$persistentDataManager->selectFromDbById($id, TransactionPayee::class);
+    }
+
+    public function getAllByTransaction(Transaction $transaction, bool $useRelations = false, array $withRelations = []): Generator
+    {
+        $select = new Select(Container::$dbConnection);
+        $select->where('transaction_id', '=', $transaction->getId());
+
+        yield from Container::$persistentDataManager->selectMultipleFromDb($select, TransactionPayee::class, $useRelations, $withRelations);
+    }
+}

views/communities/transaction_edit.php

@@ -39,13 +39,15 @@
                     <option value="<?= $member->getUser()->getId() ?>" <?= isset($transaction) && $transaction->getPayerUserId() === $member->getUser()->getId() ? 'selected' : '' ?>><?= $member->getUser()->getDisplayName() ?></option>
                 <?php endforeach; ?>
             </select>
-            <p class="formLabel marginTop">Payee</p>
-            <select class="big fullWidth" name="payee_user_id">
-                <option value="">[common]</option>
+            <p class="formLabel marginTop">Payee(s)</p>
+            <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); grid-gap: 10px;">
                 <?php foreach ($members as $member): ?>
-                    <option value="<?= $member->getUser()->getId() ?>" <?= isset($transaction) && $transaction->getPayeeUserId() === $member->getUser()->getId() ? 'selected' : '' ?>><?= $member->getUser()->getDisplayName() ?></option>
+                    <div style="text-align: center;">
+                        <input id="payee_<?= $member->getUserId() ?>" type="checkbox" name="payee_user_ids[]" value="<?= $member->getUserId() ?>" <?= !isset($transaction) || count($payeeUserIds) === 0 || in_array($member->getUserId(), $payeeUserIds) ? 'checked' : '' ?>><!--
+                     --><label for="payee_<?= $member->getUserId() ?>"><?= $member->getUser()->getDisplayName() ?></label>
+                    </div>
                 <?php endforeach; ?>
-            </select>
+            </div>
             <p class="formLabel marginTop">Description</p>
             <input type="text" class="text big fullWidth" name="description" value="<?= isset($transaction) ? $transaction->getDescription() : '' ?>" required>
             <p class="formLabel marginTop">Sum</p>

views/communities/transactions.php

@@ -30,7 +30,29 @@
                         <p><span class="label"><?= $transaction->getEvent()->getTitle() ?></span></p>
                     <?php endif; ?>
                     <p style="font-weight: bold;"><?= $transaction->getDescription() ?></p>
-                    <p class="small"><?= $transaction->getPayerUser()->getDisplayName() ?> <i class="fa-solid fa-caret-right"></i> <?= $transaction->getPayeeUser() ? $transaction->getPayeeUser()->getDisplayName() : '[common]' ?></p>
+                    <p class="small">
+                        <?= $transaction->getPayerUser()->getDisplayName() ?>
+                        <i class="fa-solid fa-caret-right"></i>
+                        <?php foreach ($members as $member): ?>
+                            <?php
+                            if (count($transaction->getPayees()) > 0) {
+                                $found = false;
+                                foreach ($transaction->getPayees() as $payee) {
+                                    if ($member->getUserId() === $payee->getUserId()) {
+                                        $found = true;
+                                    }
+                                }
+                            } else {
+                                $found = true;
+                            }
+                            ?>
+                            <?php if ($found): ?>
+                                <?= $member->getUser()->getDisplayName() ?>
+                            <?php else: ?>
+                                <span class="gray" style="text-decoration: line-through;"><?= $member->getUser()->getDisplayName() ?></span>
+                            <?php endif; ?>
+                        <?php endforeach; ?>
+                    </p>
                     <p class="small"><?= $transaction->getTimeDate()->format('Y-m-d H:i') ?></p>
                 </div>
                 <div style="text-align: right;">